export default {
  data() {
    return {
      w: 0, //table宽度
    }
  },
  methods: {
    $_calcTableW() {
      this.w = document.body.clientWidth - 280
    },
  },
  //操作dom
  mounted() {
    this.$_calcTableW()
    window.addEventListener('resize', this.$_calcTableW)
  },
  beforeDestroy() {
    window.removeEventListener('resize', this.$_calcTableW)
  },
}
